Hi,  

 Is it possible to configure Apache as a reverse proxy that will pass
a request to any of the servers in a cluster using HTTPS?

 Basically I want to know if it possible to configure Apache as a
reverse proxy (load balancer) that won't do any decryption, just a
pass-trough of the request to any of the server in a cluster. I want to
use the same certificate on each server behind the balancer (I think I
need to declare a <VirtualHost> since the certificate won't match the
name of each machine in the cluster)

 Is this configuration possible at all? The figure below illustrates
what I want to achieve.


           request
             |
            https
             |
   ---------------------
      |Apache Reverse Proxy | https://www.example.com
      |   Balancer     |
       ---------------------
          /   |   \
        https https https
        /    |    \
        /     |     \
  ----m1----   ---m2----  ----m3----   m1.eng.example.com
 | Apache |  | Apache | | Apache  |  m2.eng.example.com
 | Virtual |  | Virtual | | Virtual |  m3.eng.example.com ...
  ----------   ---------  ----------   mN.eng.example.com

m1, m2, m3...mN are configured to process requests for
https://www.example.com in a <VirtualHost> section.

 I have done extensive search on the web but I can't seem to get with
the answer. The more reputable sources I have found indicate it is not
possible
(http://www.onjava.com/pub/a/onjava/2001/09/26/load.html?page=2) but
this seems to be the case only if I want the load balancing based on
information on the encrypted data. Such source indicate to use HTTP
behind the balancer.

 If it is possible, I would appreciate any pointers on HOW to do it.

 Thanks

-Jorge
 

 

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